Healthy mice start to smell like sick ones
Sniffer mice and chemical analysis suggest that sickness odours are contagious
Mice that live with sick mates start smelling a little bit sick themselves even if they remain healthy, chemical analysis has revealed. Although the reason for this is not clear yet, it might be a response of the healthy animals’ immune system upping its defences to deal with a potential threat.
Make your lessons pop
Choose an account option to continue exploring our full range of articles and teaching resources